This method starts the Sensei node. On success it will include a Set-Cookie header that contains your macaroon information. This can be used to start and login to your node using one request.
This request is unauthenticated but requires a valid passphrase.
|passphrase||String||Used to encrypt seed information on disk and as your password for logging into the web administration panel|
|pubkey||String||Your node public key. This is often described as your node's id|
|macaroon||String||Hex encoded |